class_docstr: Text Processor class implement NER, POS tag, lexical tree parsing.
  EnProcessor is designed by single instance mode.
code: def check_initialized(cls):
      if not cls.initialized:
          cls.load_resource()
  
imports: import re
  import nltk
  import spacy
  import threading
  from functools import reduce
  from spacy.tokens import Doc
  from .nltk_res_load import *
  from ..settings import *
label_desc: Use image node_id 3 for calling the EnProcessor obj's underlying member method code with example usage: obj.check_initialized(cls) without return types